SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
: ANSI SQL-92 [MS, ANSI] defines Isolation Levels in terms of phenomena: Dirty Reads, Non-Repeatable Reads, and Phantoms. This paper shows that these phenomena and the ANSI SQL def...
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
This paper describes an efficient optimistic concurrency control scheme for use in distributed database systems in which objects are cached and manipulated at client machines whil...
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
Many papers have examined how to e ciently export a materialized view but to our knowledge none have studied how to e ciently import one. To import a view, i.e., to install a stre...